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sacrifice

Noun, Act of slaughtering an animal or person or surrendering a possession as an offering to god or to a divine or supernatural figure: They offer sacrifices to the spirits / the ancient laws of animal sacrifice.
– An animal, person or object offered in this way.
– An act of giving up something valued for the sake of something else regarded as more important or worthy: We must all be prepared to make sacrifices.
– Christian Church Christ’s offering of himself in Crucifixion.
– Christian Church The Eucharist regarded either (in Catholic terms) as a propitiatory offering of the body and blood of Christ or (in protestant terms) as an act of thanksgiving.
– Chess a move intended to allow the opponent to win a pawn piece, for strategic tactical reasons.